·2,447,543篇论文数据，部分数据来源于NoteExpress
The mathematical model of multi stage carburizing is a linear partial differential equation, and superposability is an important property of the linear partial differential equation.
多段法渗碳的数学模型是线性偏微分方程。线性偏微分方程的一个重要性质是可迭加性。
youdao
应用推荐
模块上移
模块下移
不移动